Street-sweeper.



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ATTORNEYS- No. 703,|94. Patented June 24, |902.

P. R. HANSBURY.

STREET SWEEPER. Alpucmon med Femm, 1902.)

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UNTTED STATES PATENT EEICE.

PETR R. HANSBURY, OF NEV YORK, N. Y.

STREET-SWEEPER.

SPECIFICATION forming part Letters Patent No. 703,194, dated June 24, 1902.

Application led February 27,1902. Serial No. 96,009. (No model.)

To @ZZ whom it may concern:

Be it known that I, PETER R. HANsBURY, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Street-Sweepers, of which the following is a full and complete specication, such as will enable those skilled in the art to which it appertains to make and use the same.

The object of this invention is to provide an improved street-sweeper which is adapted to be operated by an electric or other motor carried thereby and which is simple in construction and operation; and with this and other objects in View the invention consists in an apparatus of the class specified constructed as hereinafter described and claimed.

The invention is fully disclosed in the following specication, of which the accompanying drawings form a part, in which the separate parts of Vmy improvement are designated by the same reference characters in each of the views, and in which- Figure l is a side view of a street-sweeper made according to my invention; Fig. 2, a sectional side elevation thereof; Fig. 3, a sectional plan view thereof; Fig. 4f, a sectional detail of a form of brush which I employ; Fig. 5, a perspective view of a detail of said brush, and Figs. G and 7 are perspective views of other forms of brushes which I employ.

In the practice of my invention I provideV a vehicle having a body portion o. and axles c2, provided with wheels a3, and beneath the body portion a is a conveyer-casing @which is in communication at its rear end with a dust and dirt receptacle h2 and which is open at its front end. Hinged to the bottom of the front end of the conveyer-casing b, asshown at b3 in Fig. 2, is a brush-holder c, comprising a top plate c2, sides c3, and a bottom c4, the bottom c1 being inclined downwardly and forwardly,'as clearly shown in Fig. 2. The front of thebrush-holder c is open and also the bottom thereof backwardly to about half the distance of its length, and mounted in the sides c3 of the brush-holder, just in front of the bottom portion c4, is a shaft c5, provided with two cylindricalbrushes c6,between which is placed a gear-wheel c7, which is secured to said shaft.

The sides cS of the brush-holder at the forward ends are curved outwardly, as shown at c?, and pivoted to the front of the body portian of the vehicle by means of a shaft d, which passes therethrough, or in any other desired manner are arms or bars d2, which are curved inwardly just in front of the body portion of theV vehicle, as shown at d3, and then extended forwardly of and over the brushes c5 and curved downwardly, as shown at d4, and form a support for a brush-shaft d5,which is provided with cylindrical brushes e, e2, e3, and e4. The shaft d5 is also provided centrally with a gear-whee1e5, which is geared in connection with the wheel c7 on the shaft c5 by a chain or other suitable device e", and it will be observed that the space between the brushes e and e2 is directly in front of the right-hand brush o, while the space between the brushes e3 and e4 is directly in front of the left-hand brush c6.

Supported between the shafts c5 and di and Y the brushes with which said shafts are provided and centrally of the brush-holder is a triangular brush f, said brush being supported by means of transverse rods or bars f2 or in any other desired manner, and the object of this brush is to clean the space between the brushes c2 and c3 on the shaft d5, and secured to the outwardly-curved portionsr o8 at the opposite sides and front ends of the brushholder are other brushes f3, which are backwardly and inwardly inclined and the object of which is to direct the dust and dirt from `the ends of the brushes e and e4 in the direction of the brushes c, itbeing understood that the brushesf and f3 are so supported as to come in contact with the ground over which the sweeper is passed. y

It will be observed that the brush-shaft d is longer than the brush-shaft c5, and the brushes e and e4 extend outwardly far enough to enable the device to be operated close up to a curb, the length of said shaft d5 and the brushes thereof being equal to or greater than the length of the axles of the vehicle.

The front axle of the vehicle is provided with a gear-wheel g, which is secured in a horizontal position to the top thereof, and passing vertically through the front portion of the body of the vehicle is a shaft g2, provided at its lower end with a pinion g?, which IOO operates in connection with the gear-wheel g, and the shaft g2 is provided at its upper end with a hand-wheel g4, and by means of this construction the vehicle may be steered or guided, as will be readily understood.

The front end portions of the arms or bars d2, which support the front brush-shaft d5, are connected with the top of the brush-carrier c by a turnbuckle device d8, and said arms or bars d2 are projected backwardly, as shown at gs, and connected transversely beneath the body of the vehicle by a bar Q7, and mounted vertically in the body of the Vehicle over the bar 97 is a shaft 71, the lower end of which is screw-threaded, as shown at b2, and passes through a screw-threaded bearing h3. The lower end of the shaft 7i bears on the crossbar gl, and the upper end of said shaft 77, is provided with a hand-wheel h4, and by turning said shaft 7L the entire brush-carrier and the arms or bars d2 may be raised at the front ends, so as to elevate all the brushes or raise them from the ground when it is desired to operate the apparatus.

The conveyer-casing b is provided at its rear end with a shaft t', having wheels t2, and in the rear bottom portion of the brush-carrier is another shaft i3, having wheels 714, and mounted on the wheels i2 and 4 are endless belts or bands i5, provided with transverse strips fie, and the belts or bands i5 and the transverse strips constitute the conveyer proper for conveying the dust or dirt back into the receiver b2. A rollerj is mounted in the rear upper portion of the brush-carrier, and the upper reach of the belts or bands is passed thereover, as clearly shown in Fig. 2, and the said conveyer proper is operated by a drive-chain or equivalent device 7c, by which the shaft 'L' is geared in connection with the rear axle a2 at 7a2.

Mounted transversely of the body of the Vehicle when supported in any desired man ner is a main power-shaft 7a3, which is operated by an electric or other suitable motor 7c, and this power-shaft is provided with a large gear-wheel 765, which is geared in connection with a wheel 766 on the shaft cs of the rear brushes cG by a chain or other suitable device 767. The shaft 7c3 is also provided with a small gear-wheel m and the rear axle a2 with a larger gear-wheel m2, and these wheels are geared in connection by a chain m3.

I have also shown a storage battery m4, which is placed in the rear end of the body of -the vehicle and connected with an electric motor in the usual manner, as shown at m5, and the said motor may be operated in this manner or by any other electric power device or generator, and instead of an electric motor any preferred means may be employed for operating the shaft 7c3.

The rear brush-shaft c5 and the front brushshaft d5 are provided, respectively, with sprocket or gear Wheels n and n2, which are geared in connection by a chain n3, and by means of the construction herein described it will be seen that the brushes on the shafts c5 and C75 are both turned in the direction of thearrows a shown in Fig. l, and the dust or dirt is taken up and thrown baekwardly in the operation of the apparatus onto the bottom portion c4 of the brush-carrier, from which the said dust or dirt is conveyed 'backwardly and deposited inv the receptacle b2. The receiver Z22 may be of 'any desired construction, and any suitable means may be provided for removing the dust or dirt therefrom.

In Fig. 4 I have shown a portion in crosssection of one of the brushes, and in practice I prefer to employ a solid core-piece n4, the perimeter of which is provided with a metal casing ni, havinglongitudinal grooves/na, the inner portions of which are enlarged laterally, as shown at 71"", and the brushes proper are made up of separate parts 0adapted to be inserted into the spaces 77,7, and to these pieces 0 is secured the brush material 02. By means of this construction the brushes may be repaired Whenever necessary by simply removing the parts or pieces o and placing new ones in their places. i

In Fig. 7 Ihave shown atp aform of brush which may be used at the points where the brushes f3 are shown in Fig. 3, or the brushes f3 may be of -any desired shape or construc tion, and the brush p consists of a top piece p2, to which the brush material p3 is secured, and the top piece is provided with angular clamps p4 for securingit to the outwardly-directed parts ca of the brush-holder. I also prefer to employ small brushes r, which are secured to the bottom of the opposite sides of the brush-holder beneath and rearwardly of the brush-shaft c5, the object of these IOO brushes being to direct the dust and dirt iny wardly in order that the conveyer may more readily take it up, and these brushes r may be of any desired construction, as may also the other brushes shown and described herein.

The operation of the device will be readily understood from the foregoing description when taken in connection with the accom panying drawings and the following statement. The vehicle or apparatus is moved forwardly by means of the shaft 7c3, which may be turned by the motor 7a4 or in any desired manner, and the shaft 7L is turned so that the brushes will come in contact with the ground or the surface over which the sweeper is passed, and the dust or dirt is taken up by the cylindrical brushes on the shafts c5 and d5 and moved backwardly to the conveyer, by which it is conveyed into the box or receptacle b2. When it is not desired to operate the brushes or to move the vehicle from point to point without the brushes coming in contact with the ground, the shaft 7L is manipulated so as to raise the apparatus, as hereinbefore described.

The apparatus is simple in construction and operation and perfectly adapted to acA complish the result for which it is intended,

IIO

open at its front end and the rear end of whichis in communication with a dust and dirt receptacle, a brush-holder hinged to the front end of the conveyer-casing and adapted to be raised and lowered, the rear bottom portion of the brush-holder being inclined downwardly and forwardly, and the front portion thereof being open, brushes mounted in the brush-holder and a conveyer mounted in the conveyer-casing and extending downwardly over the inclined bottom portion of the brushholder, and means for operating the brushes and the conveyer, substantially as shown and described.

2. A street-sweeper comprising a vehicle having a body portion, a conveyer casing mounted thereunder and open at its front end and the rear end of which is in communication with the dust and dirt receptacle,abrush holder hinged to the front end of the conveyer-casing and the rear bottom portion of which is inclined downwardly and forwardly and the front bottom portion of which is open, brushes mounted in the brush-holder, a conveyer placed in the conveyer-casing and the front end of which extends downwardly and forwardly over the inclined portion of the brush-holder, a motor geared in connection with the axles of the vehicle and with the conveyer and the brushes, and means for operating said mot-or, substantially as shown and described.

3. A street-sweeper comprising a vehicle having a body portion, a conveyer casing mounted beneath said body portion and open at its front end and the rear end of which is in communication with a dust and dirt receptacle, a brush-holder hinged to the front end of the conveyer-casing and the rear bottom portion of which is inclined downwardly and forwardly and the front bottom portion of which is open, a brush-shaft mounted in said brush-holder casing and provided with two brushes, bars pivoted to the sides of the body portion of the casing and extending forwardly and downwardly,a supplemental shaft mounted in the ends of said bars and at the front end of the brush-holder, said shaft being provided with a plurality of cylindrical brushes, means for raising and lowering the brushholder and the brushes, a conveyer mounted in the conveyer-casing and extending downwardly and forwardly over the inclined portion of the brush-holder and means for operating said conveyer, substantially as shown and described.

4. An apparatus of the class described,com prising a vehicle having a body portion, a conveyer-casing mounted thereunder and open at its front end, a brush-holder hinged to said conveyer-casing at the front end thereof and the rear bottom portion of which is inclined downwardly and forwardly and the front bot tom portion of which is open, a brush-shaft mounted in said brush-holder, bars pivoted to the body ofthe vehicle and extending for wardly and downwardly, another brush-shaft mounted in the ends of said bars and occupying the front end of the brushsholder, said brush shafts being geared in connection, means for raising and lowering the front end of the brush-holder and the front ends of said bars, a conveyer placed in the conveyer-casing and extending downwardly and forwardly over the inclined bottom portion of the brushholder and means for operating the vehicle, the conveyer and the brushes in the brushholder, substantially as shown and described. In testimony that I'claim the foregoing as my invention I have signed my name, in presence of the subscribing Witnesses, this 24th day of February, 1902.

PETER R. HANSBURY. Witnesses:

F. A. STEWART, C. E. MULREANY. 

